CN108555432B - A kind of laser assisted friction-stir welding machine - Google Patents
A kind of laser assisted friction-stir welding machine Download PDFInfo
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- CN108555432B CN108555432B CN201810017028.4A CN201810017028A CN108555432B CN 108555432 B CN108555432 B CN 108555432B CN 201810017028 A CN201810017028 A CN 201810017028A CN 108555432 B CN108555432 B CN 108555432B
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- 238000003466 welding Methods 0.000 title claims abstract description 44
- 238000003756 stirring Methods 0.000 title claims abstract description 22
- 239000000835 fiber Substances 0.000 claims abstract description 24
- 230000005540 biological transmission Effects 0.000 claims abstract description 12
- 230000033001 locomotion Effects 0.000 claims abstract description 6
- 238000013519 translation Methods 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 19
- 239000013307 optical fiber Substances 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 4
- 210000000988 bone and bone Anatomy 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 16
- 238000010438 heat treatment Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 10
- 239000000758 substrate Substances 0.000 description 6
- 230000005611 electricity Effects 0.000 description 2
- 230000020169 heat generation Effects 0.000 description 2
- 238000004093 laser heating Methods 0.000 description 2
- 238000013507 mapping Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000007790 solid phase Substances 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
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- 230000013011 mating Effects 0.000 description 1
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- 239000002344 surface layer Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
- B23K20/122—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/26—Auxiliary equipment
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention belongs to laser machine manufacturing technology field, a kind of new pattern laser auxiliary friction stirring welding machine, including the transmission of power assembly, drive assembly, rotation assembly, laser and transmitting assembly, support assembly, stirring-head assembly are provided.The electric machine main shaft of power assembly and the belt pulley of drive assembly are connected by key, and realize axially position.The spindle pulley of drive assembly is connect with motor pulley, and motor rotary motion is passed to upper core shaft.The top and the bottom mandrel of rotation assembly connects, and end cap installs fiber rotation connector, and lower part mandrel is connect with the collet of stirring-head assembly.Support assembly constitutes the rack of the welding machine, and for connecting and supporting related components, the support arm of support assembly is connect with movable frames, realizes the welding machine in the translation of space three-freedom.Structure of the invention is compact, and configuration rationally, can effectively couple laser auxiliary heating with friction stir weld, and the utilization rate of laser is high, can greatly improve welding efficiency.
Description
Technical field
The invention belongs to laser machine manufacturing technology field, it is related to Solid-phase welding and solid phase surface layer crack forming mechanism field, especially
It is related to a kind of laser assisted friction-stir welding machine.
Background technique
Agitating friction weldering is to be given birth to using relative motion occurs between workpiece end face and side and soldered substrate by friction
Heat makes materials to be welded reach hot plastic state, then rapid upset, completes a kind of method of welding.Friction welding (FW) connects in which can be convenient
Connect of the same race or dissimilar material, including metal, part metals based composites, ceramics and plastics.Friction welding method is in manufacturing industry
It is high, high-quality with its productivity to obtain extensive engineer application.
With the continuous improvement of production requirement, new welding method is constantly proposed, for conventional friction stirring, weldering
Heat needed for thermoplastic deformation occurs for substrate is connect mainly from the frictional heat generation of the mixing needle shaft shoulder and substrate surface, to guarantee abundance
Heat source, the contact force of the mixing needle shaft shoulder and substrate wants sufficiently large, will certainly remove certain material in this way and cause welding material table
The damage in face.For this purpose, being suggested to reduce conventional friction stirring welding using the technology of other energy auxiliary Friction Stir Welding
Required lower pressure and forward force.The open patent of invention CN103008897A of China discloses a kind of combination laser and agitating friction
The complex welding method of weldering, and in particular to beam of laser is arranged at the back side of fishplate bar to be welded, in the front arrangement of fishplate bar to be welded
Friction-stir head and the second beam laser beam, but the dispersed placement of multi-beam laser will increase the complexity of machine structure, Yi Jiji
Device during the work time needed for synchronously control require it is higher.The open patent of invention CN103846563A of China discloses a kind of sharp
Light friction stir welding method and its device, body matter, which refers to using the method for laser beam heats stirring-head, to be completed to assist
Welding, will definitely increase requirement of the stirring-head to material using laser heating stirring head, and the structure of stirring-head is more complicated, reduce
The thermal efficiency of laser.
It can be seen that being a development trend of current welding technique using efficient hybrid laser-arc welding.In order to reality
The direct-coupling of existing laser heat production and mixing needle, improves laser utilization efficiency, reduces the surface damage of substrate to be welded, is this
Invention proposes a kind of laser assisted friction-stir welding machine that structure is more compact and reasonable.
Summary of the invention
In view of the problems of the existing technology, of the invention that a kind of laser assisted friction-stir welding machine is provided, before realizing
Purpose small into power, laser utilization efficiency is high, material damage to be welded is small, using laser auxiliary heating, the welding machine is compared with conventional friction
Torque needed for stirring welding machine and power are smaller, while used mixing needle does not have the interaction of the shaft shoulder and material surface, right
The damage of substrate is smaller.The machine structure is compact, and configuration rationally, has higher welding efficiency.
To achieve the goals above, the present invention is achieved by the following technical solutions:
A kind of laser assisted friction-stir welding machine, including the transmission of power assembly, drive assembly, rotation assembly, laser and hair
Firing association at, support assembly, stirring-head assembly.
The power assembly mainly includes motor 28, motor housing 30 and the stud 27 for fixing motor 28.Motor
28 bottoms are evenly distributed with four through-holes, and are fixedly connected by stud 27 with motor housing 30.28 main shaft upper end of motor be equipped with keyway and
Screw thread, 28 main shaft of motor are connect by key 29 with belt pulley and realize axially position by fixture nut 31.
The drive assembly mainly includes driving belt 33, spindle pulley 5, motor pulley 32.Spindle pulley 5
It is connect with motor pulley 32 by V-arrangement driving belt 33, the rotary motion of 28 main shaft of motor is thus passed into upper core shaft
7.Driving belt 33, spindle pulley 5 and 32 three of motor pulley are in same level the stability for guaranteeing transmission,
Its specific design parameter can refer to standard GB/T 11544-98 and GB/T10412-2002.
The rotation assembly mainly includes end cap 2, upper core shaft 7, lower part mandrel 18 and installation laser emitter 15
Rotating box 20 and cover board.The stirring-head assembly mainly includes collet 16 and mixing needle 17.7 He of upper core shaft
Lower part mandrel 18 is all non-constant section and hollow cylindrical long axis, and the two is connected by tapered thread.The upper core shaft 7
Upper end end cap 2 is installed, end cap 2 is for installing fiber rotation connector 1, and the middle part of upper core shaft 7 sets that there are two the shaft shoulders, respectively
For installing upper and lower part radial thrust bearing 4,8, meanwhile, the axial flange for being evenly distributed with six through-holes is equipped in the middle part of two shaft shoulders
For connecting spindle pulley 5, spindle pulley 5 is connect with upper core shaft 7 by bolt a6 by disk A, ring flange A.Under described
The upper end of portion's mandrel 18 is taper box thread, is connect with upper core shaft 7 by tapered thread, lower end is regular screw threads, with stirring
The collet 16 of needle 17 connects；The axle body section of mandrel 18 in lower part is from top to bottom respectively equipped with the shaft shoulder, two radial directions being arranged symmetrically
Through-hole and ring flange B, the shaft shoulder is for installing deep groove ball bearing 22, and ring flange B is for installing rotating box 20, radial through-hole and upper
The interior bone of lower part mandrel constitutes the channel of optical fiber 36.The rotating box 20 is upper opening, and lower part is equipped with ring flange B
Cylindrical body body structure.The axial ring flange B for being evenly distributed with six through-holes of lower end surface the center point installation of the rotating box 20, method
Blue disk B is connect with lower part mandrel 18 by bolt b19, and the inner via hole diameter of ring flange B is greater than the shaft shoulder on lower part mandrel 18；Rotation
The lower end surface of cabinet 20 is additionally provided with the rectangular through-hole being arranged symmetrically, for passing through 15 bottom end of laser emitter.The rotary box
20 upper surface of body is axial at the inner edge of proximal wall to be evenly distributed with eight screw holes for being used for mounting screw 11, installs semicircular cover board
a、b。
The support assembly mainly includes belt hub cap a, b3,35, top and the bottom radial thrust bearing 4,8, deep-groove ball
Bearing 22, bearing block a, b10,23, U-bracket 24, support arm 25.The belt hub cap a, b3,35, motor housing 30, U
Shape bracket 24 and principal arm constitute the rack of the welding machine, for connecting and supporting related components.The belt hub cap a3 is
The lateral surface production of semicolumn bodily form body structure, cabinet has through-hole, for being connect by bolt c26 with belt hub cap b35.
The belt hub cap b35 main body is also semicolumn bodily form body structure, and cylindrical sides are equipped with cuboid connector, tip side
There is uniformly distributed through-hole in face, for being connect by bolt d34 with motor housing 30.24 upper end of U-bracket passes through bolt c26
It is connect with belt hub cap b35, lower end side is bolted with rectangular support arm 25, and the other side passes through screw and bearing block
B23 connection, bearing block a10 and bearing block b23 are symmetrical arranged about lower part mandrel 18, are used for radially fixed deep groove ball bearing 22.
Support arm 25 is the principal arm of welding machine, connect with movable frames, realizes the welding machine in the translation of space three-freedom.
The laser transmission and transmitting assembly include two groups of laser emitters 15 and laser emitter support 13, laser
Lose fine, fiber optic tap connector 9 and fiber rotation connector 1.The laser emitter 15 and laser emitter support 13 are pacified
Inside rotating box 20.The laser emitter support 13 be wedge structure, be equipped with triangle sliding slot, the sliding slot and swash
Triangular hill sliding rail on 15 outer cylinder of optical transmitting set, which is formed, to be cooperatively connected, and laser emitter 15 can slide along the chute, sliding slot bottom
Face is equipped with the tapped through hole for installing holding screw 14, by precession and screws out the fixed and mobile laser emitter of screw 14
15.Laser emitter support 13 can weld in the inside of rotating box 20.Laser emitter support 13 is about upper core shaft 7 under
The axisymmetrical of portion's mandrel 18 arranges, and the hot spot that laser emitter 15 is formed in material surface to be welded is about 17 axis of mixing needle
It is symmetrical and tangent with 17 side of mixing needle.The fiber rotation connector 1 is connect with laser transmission fiber, laser transmission
Optical fiber is connect with two groups of laser emitters 15 respectively by fiber optic tap connector 9.
The invention has the benefit that the laser welder is compact-sized, configuration rationally, can by laser auxiliary heating with
Friction stir weld effectively couples, and the utilization rate of laser is high, can greatly improve welding efficiency.
Detailed description of the invention
Fig. 1 is welding machine overall structure figure；
Fig. 2 is welding machine overall structure shaft side figure；
Fig. 3 is laser emitter support；It (a) is right axle mapping；It (b) is side view；It (c) is left axle mapping；
Fig. 4 is U-bracket；It (a) is left view；It (b) is axonometric drawing；
Fig. 5 is bearing block；It (a) is lower view；It (b) is front view；It (c) is axonometric drawing；
Fig. 6 is rotating box；It (a) is main view；It (b) is section B-B cross-sectional view；It (c) is top view；It (d) is axonometric drawing；
Fig. 7 is laser facula motion principle figure；(a) hot spot and mixing needle relative position figure when static for mandrel；It (b) is core
Hot spot and mixing needle relative position figure when axis rotates；
In figure: 1 fiber rotation connector；2 end caps；3 belt hub cap a；4 top radial thrust bearings；5 main shaft belts
Wheel；6 bolt a；7 upper core shafts；8 lower part radial thrust bearings；9 fiber optic tap connectors；10 bearing block a；11 screws；12 cover board a；
13 laser emitter supports；14 holding screws；15 laser emitters；16 collets；17 mixing needles；18 lower part mandrels；19 bolt b；
20 rotating box；21 cover board b；22 deep groove ball bearings；23 bearing block b；24U shape bracket；25 support arms；26 bolt c；27 studs；
28 motors；29 keys；30 motor housings；31 fixture nuts；32 motor pulleys；33 driving belts；34 bolt d；Outside 35 belt pulleys
Shell b；36 optical fiber.
Specific embodiment
In order to further explain the technical solution of the present invention, next with reference to the accompanying drawing, the present invention will be described in detail.
As shown in Figure 1, a kind of laser assisted friction rabbling welding owner will by power assembly, drive assembly, rotation assembly, swash
The part such as optical transport and transmitting assembly, support assembly, stirring-head assembly forms.Wherein drive assembly mainly includes motor 28, electricity
Machine shell 30 and stud 27 for fixing motor 28；Drive assembly mainly includes driving belt 33, spindle pulley 5 and electricity
Machine belt pulley 32；Rotation assembly mainly includes end cap 2, upper core shaft 7, lower part mandrel 18 and the rotation for installing laser emitter 15
Turnning box body 20 and cover board 12,21；Laser transmission mainly includes two groups of laser emitters 15 and laser emitter branch with transmitting assembly
Seat 13, laser transmission fiber 36, fiber optic tap connector 9 and fiber rotation connector 1；Support assembly mainly includes belt hub cap
3,35, radial thrust bearing 4,8, deep groove ball bearing 22, bearing block 10,23, U-bracket 24, support arm 25；Stirring-head assembly master
It to include stirring needle holder 16 and mixing needle 17.
25 other end of support arm of welding machine connect to realize the welding machine in the flat of space three-freedom with movable frames
It is dynamic.Upper core shaft 7 and lower part mandrel 18 are all non-constant section and hollow cylindrical long axis, and two axis are connected by tapered thread
It connects.The upper end of upper core shaft 7 is equipped with end cap 2, and the end cap 2 is for installing fiber rotation connector 1, fiber rotation connector 1
Top connect with input optical fibre, when upper core shaft 7 rotates movement, external input optical fiber can not rotate and realize
Laser continuously transmits.The lower end of upper core shaft 7 is taper male thread.There are two the shaft shoulders for the middle part production of upper core shaft 7, respectively
For installing radial thrust bearing 4,8, meanwhile, production has the axial ring flange A for being evenly distributed with six through-holes, the method in the middle part of two shaft shoulders
For connecting spindle pulley 5, spindle pulley 5 is bolted blue disk A with upper core shaft 7.It is respectively arranged up and down centripetal
Thrust bearing 4,8 can realize the fixation of main shaft, and base bearing can be made by the thrust on vertical direction, and the purpose is to push mixing needle
17 enter the inside of material to be welded.The upper end of lower part mandrel 18 is taper box thread, and lower end is regular screw threads, in axle body section, by
There are the shaft shoulder, two radial through-hole being arranged symmetrically and ring flange B up to lower production respectively.The shaft shoulder is for installing deep groove ball bearing
22, which is used to increase the stability of shaft, and ring flange B is for installing rotating box 20.Lower part regular screw threads
Needle holder 16 is stirred for installing, stirring needle holder 16 is used for clamping mixing needle 17.Radial through-hole and top and the bottom mandrel 7,18
Interior bone constitutes the channel for placing optical fiber 36, and the optical fiber 36 is for connecting fiber rotation connector 1, fiber optic tap connector 9
With two laser emitters 15.Rotating box 20 is upper opening, lower part production has the cylindrical body structure of flange, flange
Disk B is located at lower end surface and coaxial with cabinet, circumferential to be evenly distributed with six through-holes, is connected to lower part mandrel 18 by bolt b19.Ring flange B
Inner via hole diameter be greater than lower part mandrel 18 on make for install deep groove ball bearing 22 the shaft shoulder outer diameter.Rotating box 20
Upper surface at the inner edge of proximal wall axial uniformly distributed production have eight screw holes, for installing semicircular cover board 12,21.?
The bottom surface of rotating box 20, which also makes, the rectangular through-hole being arranged symmetrically, installation and tune of the through-hole convenient for laser emitter 15
It is whole.Two groups of laser emitters 15 and laser emitter support 13, laser emitter branch are installed to 20 internal symmetry of rotating box
Seat 13 is wedge structure, and production has triangle sliding slot, the triangular hill sliding rail shape on the sliding slot and 15 outer cylinder of laser emitter
At mating connection, laser emitter 15 can slide along the chute, and sliding slot floor manufacture has tapped through hole, and threaded hole is for installing tightening
Screw can be fixed by precession and back-out holding screw 14 and move laser emitter 15 along sliding rail.Laser emitter support 13
It can weld in the inside of rotating box 20.Laser emitter support 13 is arranged about the axisymmetrical of lower part mandrel 18, and laser
The hot spot that transmitter 15 is formed in material surface to be welded with it is symmetrical about mixing needle 17 and with 17 side of mixing needle it is tangent.Two
A laser emitter 15 is connect by optical fiber 36 and fiber optic tap connector 9 with the outlet of fiber rotation connector 1 respectively, optical fiber point
A piece optical fiber 36 can be divided into two-way by branch connector 9.Belt hub cap 3,35, motor housing 30, U-bracket 24 and principal arm constitute
The rack of the welding machine, for connecting and supporting related components.Its middle belt pulley shell a is semicolumn bodily form body structure, case
The lateral surface production of body has through-hole, for being bolted to belt hub cap b.Belt hub cap b main body is also semicolumn
Bodily form body structure has cuboid connector in cylindrical sides production, and connector end face, which also makes, uniformly distributed through-hole, for passing through
Bolt d34 is connect with motor housing 30.24 upper end of U-bracket is connect by bolt c26 with belt hub cap b35, lower end side
It is bolted with rectangular support arm 25, the other side is connect by screw with bearing block b23.The other end of support arm 25 with can
Moving frame connection is to realize the welding machine in the translation of space three-freedom.28 bottom of motor is evenly distributed with four through-holes, and passes through
Stud 27 is fixedly connected with motor housing 30.The upper end production of 28 main shaft of motor has keyway and screw thread, 28 main shaft of motor and belt
Wheel is connected by key 29 and realizes axially position by fixture nut 31.
When welding machine works, motor 28 rotates upper core shaft 7 and lower part mandrel 18 by V belt translation, and lower part mandrel 18 drives
Rotating box 20 and mixing needle 17 rotate.The laser beam of 20 inner laser transmitter 15 of rotating box transmitting is in the table to weldering base material
Face forms hot spot, and due to rotating box 20 as lower part mandrel 18 rotates, hot spot also rotates therewith, and the hot spot of rotation is formed
Wherein dark circular light spot is 17 cross section of mixing needle to loop laser irradiated region as shown in Figure 7, and the material in the region obtains
Pyroplastic deformation occurs for heating after the energy of laser.After the rotation of mixing needle 17, pass through 17 side wall of mixing needle and front end face and material
The further heating material of the frictional heat generation of material, mixing needle 17 is without the shaft shoulder with material surface contact.Laser heating can replace normal
The shaft shoulder for advising mixing needle 17, can effectively reduce lower pressure and forward force, and the surface damage for treating wlding material is small.Mixing needle 17 is answered
According to the attribute of material to be welded, the operating conditions such as weld penetration or crack depth select corresponding model to guarantee the intensity of mixing needle
And welding effect.
Claims (2)
1. a kind of laser assisted friction-stir welding machine, which is characterized in that the laser assisted friction-stir welding machine includes power
Assembly, drive assembly, rotation assembly, laser transmission and transmitting assembly, support assembly, stirring-head assembly；
Motor (28) and motor housing (30) in the power assembly is affixed, and motor (28) main shaft upper end is equipped with keyway and spiral shell
Line, motor (28) main shaft is connect with motor pulley by key (29), and realizes axially position by fixture nut (31)；
The drive assembly includes spindle pulley (5), motor pulley (32) and driving belt connecting the two (33), and three
Person is in same level, and the rotary motion of motor (28) main shaft is passed to upper core shaft (7)；
The rotation assembly includes end cap (2), upper core shaft (7), lower part mandrel (18) and installation laser emitter (15)
Rotating box (20) and cover board；The stirring-head assembly includes collet (16) and mixing needle (17)；
The upper core shaft (7) and lower part mandrel (18) is non-constant section and hollow cylindrical long axis, the two pass through cone
Shape is threadedly coupled；End cap (2) are installed in upper core shaft (7) upper end, and end cap (2) is used to install fiber rotation connector (1),
The shaft shoulder there are two being set in the middle part of upper core shaft (7), for installing upper and lower part radial thrust bearing (4,8), in two shaft shoulders
Portion is equipped with ring flange A, and ring flange A is connect with spindle pulley (5), and spindle pulley (5) is connect with upper core shaft (7)；It is described
Lower part mandrel (18) lower end connect with the collet (16) of mixing needle (17)；The axle body section of mandrel (18) in lower part, from top to bottom
It is respectively equipped with the shaft shoulder, two radial through-hole being arranged symmetrically and ring flange B, the shaft shoulder is for installing deep groove ball bearing (22), flange
For disk B for installing rotating box (20), the interior bone of radial through-hole and top and the bottom mandrel constitutes the channel of optical fiber (36)；It is described
Rotating box (20) upper opening, the lower end surface the center point mounting flange B of rotating box (20), ring flange B and lower core
Axis (18) connection, the lower end surface of rotating box (20) is additionally provided with the rectangular through-hole being arranged symmetrically, for passing through laser emitter
(15)；Rotating box (20) upper surface is installed by cover board；
The support assembly includes belt hub cap a, b (3,35), top and the bottom radial thrust bearing (4,8), deep groove ball bearing
(22), (10,23) bearing block a, b, U-bracket (24), support arm (25)；The belt hub cap a (3) is semicylinder knot
Structure, lateral surface are connect with belt hub cap b (35)；Described belt hub cap b (35) main body is also semicolumn body structure,
Cylindrical sides are equipped with the connector connecting with motor housing (30)；U-bracket (24) upper end and belt hub cap b (35)
Connection, lower end side are connect with rectangular support arm (25), and the other side is connect with bearing block b (23), bearing block a (10) and bearing block
B (23) is symmetrical arranged about lower part mandrel (18), is used for radially fixed deep groove ball bearing (22)；Support arm (25) is the master of welding machine
Arm is connect with movable frames, realizes the welding machine in the translation of space three-freedom；
The laser transmission and transmitting assembly include two groups of laser emitters (15) and laser emitter support (13), laser
Lose fine, fiber optic tap connector (9) and fiber rotation connector (1)；The laser emitter (15) and laser emitter branch
It is internal that seat (13) is mounted on rotating box (20)；Laser emitter support (13) is about upper core shaft (7) and lower part mandrel (18)
Axisymmetrical arrangement, and the hot spot that laser emitter (15) is formed in material surface to be welded is about mixing needle (17) axisymmetrical
It is distributed and tangent with mixing needle (17) side；The fiber rotation connector (1) is connect with laser transmission fiber, laser transmission
Optical fiber is connect with two groups of laser emitters (15) respectively by fiber optic tap connector (9).
2. a kind of laser assisted friction-stir welding machine according to claim 1, which is characterized in that the laser emitter
Support (13) is wedge structure, is equipped with triangle sliding slot, and the triangular hill on the sliding slot and laser emitter (15) outer cylinder is sliding
Rail, which is formed, to be cooperatively connected, and laser emitter (15) can slide along the chute, and sliding slot bottom surface is equipped with tapped through hole, passes through precession and back-out
Screw (14) is fixed and mobile laser emitter (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810017028.4A CN108555432B (en) | 2018-01-09 | 2018-01-09 | A kind of laser assisted friction-stir welding machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810017028.4A CN108555432B (en) | 2018-01-09 | 2018-01-09 | A kind of laser assisted friction-stir welding machine |
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| Publication Number | Publication Date |
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| CN108555432A CN108555432A (en) | 2018-09-21 |
| CN108555432B true CN108555432B (en) | 2019-07-12 |
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| TWI685392B (en) * | 2018-11-29 | 2020-02-21 | 財團法人金屬工業研究發展中心 | Multifunctional shaft apparatus |
| CN110253209A (en) * | 2019-07-18 | 2019-09-20 | 燕山大学 | A kind of axial feed and mechanism for assembling-disassembling for topical railway wheel problems reparation |
| CN112719565B (en) * | 2020-12-31 | 2022-04-26 | 昆山哈工万洲焊接研究院有限公司 | Friction stir welding method and device using rotating high-energy beam as stirring pin |
| CN114850711B (en) * | 2022-06-08 | 2023-09-15 | 南昌航空大学 | Laser impact consolidation composite friction stir material-increasing processing device and method |
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| JP4537132B2 (en) * | 2004-07-07 | 2010-09-01 | 川崎重工業株式会社 | Friction stir welding method for spot welding |
| DE102006045523A1 (en) * | 2006-09-27 | 2008-04-03 | Airbus Deutschland Gmbh | Friction stir welding head and method for controlling a friction stir welding head |
| CN202780225U (en) * | 2012-09-10 | 2013-03-13 | 昆明理工大学 | Laser-assisted stirring friction seam welding device |
| CN104475965A (en) * | 2014-11-24 | 2015-04-01 | 上海拓璞数控科技有限公司 | Stirring, rubbing and welding device |
| CN105014227A (en) * | 2015-07-27 | 2015-11-04 | 华东交通大学 | Thin-plate T-shaped joint friction-stir welding device and method assisted by lasers |
| CN106583912A (en) * | 2016-12-06 | 2017-04-26 | 上海航天设备制造总厂 | Laser coaxial type indirect thermally induced auxiliary micro stirring friction welding device |
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| CN108555432A (en) | 2018-09-21 |
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